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CN1196290C - 图形产生电路、采用该电路的多路径检测电路及检测方法 - Google Patents

图形产生电路、采用该电路的多路径检测电路及检测方法 Download PDF

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Publication number
CN1196290C
CN1196290C CNB011023392A CN01102339A CN1196290C CN 1196290 C CN1196290 C CN 1196290C CN B011023392 A CNB011023392 A CN B011023392A CN 01102339 A CN01102339 A CN 01102339A CN 1196290 C CN1196290 C CN 1196290C
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CN
China
Prior art keywords
peak
correlation
delay profile
path
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CNB011023392A
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English (en)
Chinese (zh)
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CN1316842A (zh
Inventor
大菅道广
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NEC Corp
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NEC Corp
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Publication date
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Publication of CN1316842A publication Critical patent/CN1316842A/zh
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Publication of CN1196290C publication Critical patent/CN1196290C/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7113—Determination of path profile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Noise Elimination (AREA)
CNB011023392A 2000-02-02 2001-02-02 图形产生电路、采用该电路的多路径检测电路及检测方法 Expired - Fee Related CN1196290C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000024559A JP3468189B2 (ja) 2000-02-02 2000-02-02 パターン生成回路及びそれを用いたマルチパス検出回路並びにそのマルチパス検出方法
JP024559/2000 2000-02-02

Publications (2)

Publication Number Publication Date
CN1316842A CN1316842A (zh) 2001-10-10
CN1196290C true CN1196290C (zh) 2005-04-06

Family

ID=18550523

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB011023392A Expired - Fee Related CN1196290C (zh) 2000-02-02 2001-02-02 图形产生电路、采用该电路的多路径检测电路及检测方法

Country Status (7)

Country Link
US (1) US6996157B2 (fr)
EP (1) EP1126626B1 (fr)
JP (1) JP3468189B2 (fr)
CN (1) CN1196290C (fr)
AU (1) AU780497B2 (fr)
DE (1) DE60125437T2 (fr)
HK (1) HK1038842A1 (fr)

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US7212591B2 (en) * 2003-04-28 2007-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Methods and receivers that estimate multi-path delays by removing signal rays from a power-delay profile
US7239677B2 (en) 2003-04-29 2007-07-03 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for soft symbol scaling
US7116998B2 (en) 2003-05-14 2006-10-03 Telefonaktiebolaget L M Ericsson (Publ) Subtractive multipath delay detection
CN100527654C (zh) * 2003-05-28 2009-08-12 华为技术有限公司 Cdma移动通信系统中精确的首径判决方法
JP4097615B2 (ja) * 2004-03-23 2008-06-11 三洋電機株式会社 信号検出方法および装置ならびにそれを利用した送信装置および受信装置
ATE535060T1 (de) 2004-05-13 2011-12-15 Ntt Docomo Inc Vorrichtung und verfahren zur wegesuche in einem cdma-empfänger
JP4627008B2 (ja) * 2004-05-13 2011-02-09 株式会社エヌ・ティ・ティ・ドコモ パスサーチャ及びパスサーチ方法
TWI256206B (en) * 2004-12-14 2006-06-01 Benq Corp Path searching method of a wireless communication system and path searching apparatus thereof
DE102005002801B4 (de) * 2005-01-20 2007-06-14 Infineon Technologies Ag Verfahren zur Rake-Finger-Platzierung mit zuverlässiger Pfad-Detektion
KR100941553B1 (ko) 2005-02-25 2010-02-10 닛본 덴끼 가부시끼가이샤 전송로 추정 장치, 씨디엠에이 수신 장치 및 전송로 추정방법
JP4807527B2 (ja) * 2005-05-18 2011-11-02 日本電気株式会社 パスサーチ処理回路及びパスサーチ方法並びに制御プログラム
JP4720439B2 (ja) * 2005-11-02 2011-07-13 日本電気株式会社 移動体通信復調回路及びそれに用いるパスサーチ方法
SG136813A1 (en) * 2006-04-11 2007-11-29 Sony Corp A method for estimating one or more parameters of a ultra wideband signal and a receiver system for receiving ultra wideband signals
JP4925424B2 (ja) * 2006-09-05 2012-04-25 日本放送協会 遅延プロファイル測定装置
US9106498B2 (en) 2007-01-18 2015-08-11 Thomson Licensing Method for symbol synchronization of received digital signal and digital signal receiver using the same method
GB2454865B (en) * 2007-11-05 2012-06-13 Picochip Designs Ltd Power control
GB2466661B (en) * 2009-01-05 2014-11-26 Intel Corp Rake receiver
GB2470037B (en) 2009-05-07 2013-07-10 Picochip Designs Ltd Methods and devices for reducing interference in an uplink
GB2470891B (en) 2009-06-05 2013-11-27 Picochip Designs Ltd A method and device in a communication network
GB2470771B (en) 2009-06-05 2012-07-18 Picochip Designs Ltd A method and device in a communication network
GB2474071B (en) 2009-10-05 2013-08-07 Picochip Designs Ltd Femtocell base station
GB2482869B (en) 2010-08-16 2013-11-06 Picochip Designs Ltd Femtocell access control
GB2489919B (en) 2011-04-05 2018-02-14 Intel Corp Filter
GB2489716B (en) 2011-04-05 2015-06-24 Intel Corp Multimode base system
GB2491098B (en) 2011-05-16 2015-05-20 Intel Corp Accessing a base station
KR101625217B1 (ko) * 2014-12-30 2016-06-07 한국해양과학기술원 수중통신을 위한 도플러 편이 추정 장치 및 방법
DE112015006184B4 (de) * 2015-02-17 2025-03-13 Mitsubishi Electric Corporation Empfangsvorrichtung und Empfangsverfahren

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JPH0832553A (ja) 1994-07-19 1996-02-02 Matsushita Electric Ind Co Ltd スペクトル拡散通信装置
JP2605648B2 (ja) * 1994-12-22 1997-04-30 日本電気株式会社 Ｓｓ受信機における逆拡散符号位相検出装置
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JP2751920B2 (ja) 1996-06-21 1998-05-18 日本電気株式会社 スペクトル拡散信号の同期捕捉方法及び装置
JP2850958B2 (ja) * 1997-05-02 1999-01-27 日本電気株式会社 スペクトラム拡散通信用受信装置
JP3462364B2 (ja) 1997-06-02 2003-11-05 株式会社エヌ・ティ・ティ・ドコモ 直接拡散ｃｄｍａ伝送方式におけるｒａｋｅ受信機
US6839378B1 (en) 1998-01-12 2005-01-04 Ericsson, Inc. Method and apparatus for multipath delay estimation in direct sequence spread spectrum communication systems
US6229842B1 (en) 1998-07-16 2001-05-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive path selection threshold setting for DS-CDMA receivers
JP3031351B2 (ja) 1998-09-24 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそれに用いるパス検出方法並びにその制御プログラムを記録した記録媒体
JP2000252871A (ja) 1999-03-01 2000-09-14 Sony Corp 受信方法及び受信装置
JP3059156B1 (ja) 1999-03-17 2000-07-04 株式会社ワイ・アール・ピー移動通信基盤技術研究所 ガ―ドチップ付拡散符号のユ―ザ―タイミング検出装置およびスペクトラム拡散受信装置
JP4100809B2 (ja) 1999-03-19 2008-06-11 三洋電機株式会社 有効パス検出装置
JP2000307470A (ja) 1999-04-16 2000-11-02 Matsushita Electric Ind Co Ltd 受信装置
JP3943305B2 (ja) 2000-01-19 2007-07-11 三菱電機株式会社 スペクトル拡散受信装置、およびスペクトル拡散受信方法

Also Published As

Publication number Publication date
EP1126626A3 (fr) 2004-03-03
EP1126626B1 (fr) 2006-12-27
JP2001217747A (ja) 2001-08-10
US20010010703A1 (en) 2001-08-02
AU1676501A (en) 2001-08-09
DE60125437T2 (de) 2007-10-11
EP1126626A2 (fr) 2001-08-22
CN1316842A (zh) 2001-10-10
JP3468189B2 (ja) 2003-11-17
HK1038842A1 (zh) 2002-03-28
US6996157B2 (en) 2006-02-07
DE60125437D1 (de) 2007-02-08
AU780497B2 (en) 2005-03-24

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